[PATCH 01/12] nfc: constify payload argument in nci_send_cmd()
From: Krzysztof Kozlowski <hidden>
Date: 2021-07-24 21:48:22
Also in:
linux-doc, linux-wireless, lkml
Subsystem:
networking [general], nfc subsystem, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Heidelberg, Linus Torvalds
The nci_send_cmd() payload argument is passed directly to skb_put_data() which already accepts a pointer to const, so make it const as well for correctness and safety. Signed-off-by: Krzysztof Kozlowski <redacted> --- include/net/nfc/nci_core.h | 2 +- net/nfc/nci/core.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
index 1df0f8074c9d..bf573eca07ca 100644
--- a/include/net/nfc/nci_core.h
+++ b/include/net/nfc/nci_core.h@@ -360,7 +360,7 @@ int nci_core_rsp_packet(struct nci_dev *ndev, __u16 opcode, int nci_core_ntf_packet(struct nci_dev *ndev, __u16 opcode, struct sk_buff *skb); void nci_rx_data_packet(struct nci_dev *ndev, struct sk_buff *skb); -int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, void *payload); +int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, const void *payload); int nci_send_data(struct nci_dev *ndev, __u8 conn_id, struct sk_buff *skb); int nci_conn_max_data_pkt_payload_size(struct nci_dev *ndev, __u8 conn_id); void nci_data_exchange_complete(struct nci_dev *ndev, struct sk_buff *skb,
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index da7fe9db1b00..09967b836361 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c@@ -1332,7 +1332,7 @@ int nci_send_frame(struct nci_dev *ndev, struct sk_buff *skb) EXPORT_SYMBOL(nci_send_frame); /* Send NCI command */ -int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, void *payload) +int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, const void *payload) { struct nci_ctrl_hdr *hdr; struct sk_buff *skb;
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2.27.0